Transport phenomena in emerging quantum nano-devices: Our group works in the area of quantum transport of nano-devices at ultra-low temperatures and high magnetic fields using reduced dimensions like two-dimensional graphene, two-dimensional transition metal dichalcogenides, topological insulator, one-dimensional nanowires and their hybrids. Our pioneering transport studies on emerging two-dimensional materials are followings: Transport properties of graphene-Moiré superlattices; Compressibility studies to unravel electron interactions in graphene quantum-Hall systems; Unconventional Andreev reflection at the graphene-superconductor junction; Anomalous coulomb drag in dimensionally mismatched heterostructures; Quantum noise to unravel the edge dynamics in ultra-clean graphene p-n junction; Thermal transport in integer and fractional quantum Hall states of graphene; Light-matter interaction in atomically thin p-n junction.

Manas successfully defended his thesis, Congratulations to him.
Saurabh’s paper on thermal conductance of fractional quantum Hall states in graphene accepted in PRL as an Editor’s suggestion. Congratulations to him.

Research Highlights

Coulomb Drag in dimensionally mismatched Van-der Waals Heterostructures

Coulomb drag is a non-invasive tool for probing the interlayer electron-electron interactions in bilayer systems. It is a transport phenomenon...
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Edge dynamics in graphene quantum Hall

Transport through edge-channels is responsible for conduction in quantum Hall (QH) phases. The equilibration among the edges dictates the electrical...
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Moire-Superlattice and Twistronics

The emergence of multiple Dirac cones in hexagonal boron nitride (hBN)−graphene heterostructures is particularly attractive because it offers potentially better...
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Opto-electronics in van der Waals heterostructures

Atomically thin p-n junction: The advent of various 2d-materials like graphene, transition metal di-chalcogenides (TMDs) and, the existence of well-established...
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Quantum capacitance

For a classical capacitor the capacitance is determined by only the geometry, where the electrons distribute themselves such a way...
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Quantum noise probing the charges and statistics

Fluctuation or noise may feel undesirable, but can contain intricate detail about a system not accessible by the average of...
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Thermal transport of Charge, Neutral mode and Majorana mode

When two-dimensional electron gas is cooled to millikelvin temperature regime and then subjected to a high magnetic field, well resolved...
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Unconventional Andreev Reflection at Graphene-Superconductor Junctions

Andreev reflection (AR) is the underlying phenomena that determines the quasiparticle dynamics at the junction of a superconductor with any...
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